<!DOCTYPE html>
<html lang="zh-CN">
    <head>
        <meta charset="UTF-8" />
        <title>07_精灵图案例练习</title>
        <style>
            div {
                width: 48px;
                height: 48px;
                background-image: url(./img/精灵图-侧边功能.png);

                background-position: -144px -48px;
            }
        </style>
    </head>
    <body>
        <div></div>
    </body>
</html>